Refrigeration



T @ZZ wom www omtomm: Ba it `tlovm that El', Hmm'f F. FREEMAN; a..citizen of the Untot State-s of meroa, and mient of fakewooo, in thecounty of Cuyahoga im@ Stato of hio, have im waited ctatttn :new @miusefo tmptowments in oigoztatiotx, of which the folown 9, full? dem",and @met osorption;

'ty nvozntion 'reit/as to zrefl'gemtion and'. the ptuop object o myinvention is to provldo means dstptot to indicate exist-trimm" 1137 of trogemtor tho tempomture ett# ogm this result toom-atoy and Without imter'orng with or @creasing tho efficiency o the tel'lglaton. in. thedrawings meow @staying this spoooation amt forming a pmt ttmeot havoshown, 'oz purposs o' xhmttztto, one form which my invention may assumaEn thot drawings;

Fi "uw is 2, elevation of sootizon or oitpgomtor Woll showing thetppcaton of this abitativo embodiment omy inve ton white@ Figgom 2 isFguto v Tho device h" n oaowt twhxes at' than mometer lit com: sing ostom tefmnat-- ing at its *oppor ond in im oxpamson shambot 13 undconnecte@ its 'lower emi to :t

a. station on, tho inoPf-2` 'of proltnt it! such quantity that theexpansion chztxbor 1.3i@ not completely illed they' 'maximum tompestturoizo/which the ther;- mometm y subjected @von durng'non futlotoning o1'-tho roftigemtmf, and that dwing tmotionng; of the rorge-ator 'tho top ofuid column will l@ .in the vet "totti portion 16 of tho. X2 visible om'tho oxtotot oi the refriga 'ttor tuoughtflo tous sommo@ in postou hymemos of a spit ring in. an' annular depression 19 in it tubo 20afronding though both thefox tte-tio? shoot 21 the heat institutingtoria 22, and the' intotior'stwot 23', of thorfoifrig et'tttot Wadi 24;.l "Tho tht'mometer 11i. i@ suppottoi. in this position by means of atframe 25 Compit-ig! img; a pair oi discs 26 ami 2?' each? ongag; ing;snugly with tho tuba 20 and each p'ol vided with im apoltu@ 28 or 29adopted to snugy motivo 4the' expansion chamber 13 tud an @arturo 30 ot3l udap motivo the horizontal portmtm i9. 'n addition, tho bulb M issupported ou o, bracket 33- projoctmg :65mm tho ntezor moo oi' the platoi337, White. 'the plates 26 mw.

27 am formed into :t unit by moans o" ,St-tuts 3ft extending; oetweenund, s tho pates and, 'e @otite fml'mo 25 is secured in poiton Witt mthe tubo 30 by means of an ammztr s'xo'olfo* 35 ott tb@ `tube 2Q einposition 'to be ttbuttet hy tha, outot' time of the sc 26, and thoSpring ing 26 'ange to seat Within the smtofcuar 11o-v @oss in the 'Waof the tube 530 and?. 'Whe/rl so sezttoc to abut the oxtmo's" tacoott-ve dso. The joint botxoom the, 17 mid the tu'b it() is sotto@ bymam/as t, 3T Whit@ "the" on otrmomotor mit is ptotecte from amidonEtjutgflby mm3 of et plato secure@ by of straws to tho moeti t of tho'tot@ :Limi ptovod with 'a tmnipioty o", piewtoations l0 am tangent tooitom Too oowwumotton between the spoc'stbo'ut th@ bulb j'ifa-.1y mooredto .ti and. the

Wall 24 and inserting thoroin the! tubo 9'0,

and the part `that 'tho thermometer"may bo oadily to ,f movsd oyroi'novng; tho protecting; jpntof It() andthe `s 'gt ring' 3G :mdwthtrawng"the entire immo .425"5510111 within the tubo 20. t Wil Lisobe, appuient that whie tho tho1- momtor is in its functioning positionit wim Iba @nt'olv oootvo to itioute oxteriorly of the oxqtgoator thetompoatum existing Withm 'tho refrigerator? 'that because ofthe"tigtngagmnent of the tons 17 and discs 26 mi@ Q7 Within the tubo 20 thospaoo Wtlt- 52,0 1s dlvzdet into chambers :try

s contained fthetoin, met tso' to those skilledin the art that thede-vice vherein shown and 'described accomplishes the principal objectof myinvention.

In addition, it will rfso he obvious to those skilled in the art thatthe particular' embodiment of my invention herein shown may be variouslychanged and. modified 'without departing from the spirit of my inventionor sacrilicing the advantages thereof. (It Will therefore be understoodthat this disclosure is illustrative only and that my invention is notYlimited thereto.

I claim:

1. In combination, refrigerator Wall provided. with an apertru'etherethrough, a transparent closure closing the exterior end of saidaperture, a. thermometer, and a `trame carrying said thermometer,compris ing at least-one plate arranged to close said aperture, andarranged to .tit within said aperture with the bulb of said thermometerin communication with the space interiorly of said Wall and the'indicating portion or' the stem oi said thermometer disposed betweensaid plate and said closure.

2. In combination, a. refrigerator wall haring a section comprising ,anouter-'transparent plate and an inner plate spaced there- `from, vand athermometer having its lou-lb disposed in communication with the spa/"ceinteriorly of said Wall. audits indicating portion disposed out ofcommunication with said space and also out oicommunication with thespace exteriorl1 of said Wall, but 'positioned relative to said.transparent plate to be visible therethrough from said space exteriorlyoi .said Wall. and connected to said bulb by a connecting stem extendingfrom said huih to'said indicating portion through an aperture in saidinner plate which is closed by said stem.

3. in combination, a refrigerator wall provided with an aperture.therethrough, a thermometer, and a frame supported :from the aperturesurface of Wall, carrying said thermometer and arranged to lit/withinsaid aperture With the bulb of said thermometer in communication withthe space inarranged to close said aperture, and arV ranged to fitWithin said aperture with the bulb of said thermometer in communicationWith the space interiorly of said Wall said plate and the indicatingport-ion of the stem of said thermometer disposed exteriorly of saidplate, and with said frame and said thermometer essentially 'Within theconfines of said aperture.

5. In combination, a refrigerator wall provided with an aperturetherethrough, a thermometer, and a frame supported from the aperturesurface of said Wall, carrying said thermometer, comprising at least oneplate arranged to close said aperture, and arranged to fit Within saidaperture With the bulb of said thermometer in communication with thespace interiorly of said Wall and said plate and the indicating portionof said stem disposed exteriorly of said plate, and with said frame andsaid thermometer essentially Within the confines of' said aperture. f

6. In combination, a refrigerator Wall provided 'with an aperturetherethrough, a vtransparent closure' closing the exterior end of saidaperture, a thermometer, and a fra-me carrying said thermometer,comprising at least one plate arranged to close said aperture, andarranged to it Within said aperture with the bulb of said thermomoter incgmmunioation with the space interiorly of said Wall and 'the indicatingportion of `the stem of said thermometer disposed between said plate andsaid closure, and With said frame and said thermometer esentiallylwithin the confines of said aperture.

In testimony whereof, l hereunto aliix mysignature. l

' HADLEY F. FREEMAN.

